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Supermode analysis of phase-locked arrays of semiconductor lasers

Kapon, E. and Katz, J. and Yariv, Amnon (1984) Supermode analysis of phase-locked arrays of semiconductor lasers. Optics Letters, 10 (4). pp. 125-127. ISSN 0146-9592. http://resolver.caltech.edu/CaltechAUTHORS:KAPol84

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Abstract

The optical characteristics of phase-locked semiconductor laser arrays are formulated in terms of the array supermodes, which are the eigenmodes of the composite-array waveguide, by using coupled-mode theory. These supermodes are employed to calculate the near fields, the far fields, and the difference in the longitudinal-mode oscillation wavelengths of the array. It is shown that the broadening in the far-field beam divergence, as well as the broadening of each of the longitudinal modes that were observed in phase-locked arrays, may arise from the excitation of an increasing number of supermodes at increasing pumping levels.


Item Type:Article
Additional Information:© Copyright 1984 Optical Society of America Received December 23, 1983; accepted February 3, 1984. The research described in this Letter was performed jointly by the Applied Physics Department, California Institute of Technology, under contracts with the U.S. Office of Naval Research and the National Science Foundation, and the Jet Propulsion Laboratory under contracts with the National Aeronautics and Space Administration. E. Kapon acknowledges the support of a Weizmann Postdoctoral Fellowship.
Record Number:CaltechAUTHORS:KAPol84
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:KAPol84
Alternative URL:http://www.opticsinfobase.org/abstract.cfm?URI=ol-9-4-125
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ID Code:8396
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:03 Aug 2007
Last Modified:26 Dec 2012 09:38

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